Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The onset of December in Ithaca coincides with a reduction in the average high-temperature, falling from a frosty 44.1°F (6.7°C) in November to a wintry 33.6°F (0.9°C). Ithaca reports an average low-temperature of 24.1°F (-4.4°C) during the nights of December.Humidity
The average relative humidity in December in Ithaca is 86%.Rainfall
In December, in Ithaca, the rain falls for 9.3 days. Throughout December, 2.36" (60mm) of precipitation is accumulated. In Ithaca, during the entire year, the rain falls for 164.2 days and collects up to 32.56" (827mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Ithaca. In December, in Ithaca, it is snowing for 16 days. Throughout December, 6.77" (172mm) of snow is accumulated. In Ithaca, during the entire year, snow falls for 82.1 days and aggregates up to 34.57" (878mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Ithaca.On the first day of the month, sunrise is at 7:16 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:35 am and sunset at 4:43 pm EST.
Sunshine
The average sunshine in December in Ithaca is 2.9h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, an average UV index of 1 transforms into the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
How cold is December in Ithaca?
What is the average humidity in December in Ithaca?
How much does it rain in Ithaca in December?
How many days does it snow in December in Ithaca?
What is the month with the shortest days in Ithaca?
How many hours of daylight does Ithaca have in December?
What time are sunrise and sunset in December in Ithaca?
How many hours of sunshine does Ithaca have in December?
What is the month with the lowest UV index in Ithaca?
What is the UV index intensity in December in Ithaca?
Average temperature in December
Ithaca, NY
- Average high temperature in December: 33.6°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in December
Ithaca, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Ithaca, NY
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Ithaca, NY
- Average humidity in December: 86%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in December
Ithaca, NY
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in December
Ithaca, NY
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in December
Ithaca, NY
- Average snowfall in December: 6.77"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ithaca, NY
- Average snowfall days in December: 16 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ithaca, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in December
Ithaca, NY
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in December
Ithaca, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Ithaca, NY
- Average cloud cover in December: 72
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in December
Ithaca, NY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Ithaca, New York, USA
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